Process for the preparation of ethylene glycol

Details Process for the preparation of ethylene glycol Process for the preparation of ethylene glycol

1976-08-18

1978-09-05

Helfin, Bernard

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C07C 2900, C07C 3120

Patent

active

041122453

ABSTRACT:
A process for the preparation of ethylene glycol by the vapor phase hydrogenation of oxalate esters, such as a dibutyl oxalate, at elevated temperatures and at relatively low hydrogen pressures in the presence of a suitable hydrogenation catalyst, such as a copper chromite catalyst, while minimizing the hydrogenolysis of the glycol and other side reactions and maximizing the hydrogenation catalyst activity.

REFERENCES:
patent: 2060880 (1936-11-01), Lazier
patent: 2091800 (1937-08-01), Adkins et al.
Adams et al., Organic Reactions, vol. VIII, (1954), pp. 1-27.

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